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Magnetic gear having pole piece for improving transmitting torque

A magnetic gear and pole piece technology, applied in the field of magnetic gear, can solve problems such as poor torque transmission and large torque ripple, and achieve the effects of reducing torque ripple, improving torque transmission, and small size

Inactive Publication Date: 2017-09-22
IND ACADEMIC CORP FOUND YONSEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the existing magnetic gear 10 cannot concentrate the magnetic flux on the air gap between the outer rotor 12 and the pole piece module 13 and the air gap between the inner rotor 11 and the pole piece module 13 due to the limitation of the shape of the pole pieces 13a. , so there are problems of poor torque transmission and large torque ripple

Method used

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  • Magnetic gear having pole piece for improving transmitting torque
  • Magnetic gear having pole piece for improving transmitting torque
  • Magnetic gear having pole piece for improving transmitting torque

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 to Embodiment 5

[0119] refer to Figure 5 , as shown in Table 1 below, Embodiment 1 to Embodiment 5 are designed to satisfy the first variable and the second variable, and the gear ratios are all designed to be 10.5:1.

[0120] [Table 1]

[0121]

Embodiment 6 to Embodiment 10

[0129] refer to Figure 8 , Embodiment 6 to Embodiment 10, as shown in Table 3 below, are designed to satisfy the first variable and the second variable, and have various gear ratios.

[0130] [table 3]

[0131]

[0132]

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PUM

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Abstract

The present invention relates to a magnetic gear having a pole piece for improving transmission torque characteristics, more specifically, to improve the shape of a pole piece located between an inner rotor and an outer rotor, And to a magnetic piece having a pole piece for improving transmission torque characteristics capable of reducing torque ripple.

Description

technical field [0001] The present invention relates to a magnetic gear having pole pieces for improving transmission torque characteristics, and more particularly, to a magnetic gear for concentrating magnetic flux to an air gap by improving the form of pole pieces located between an inner rotor and an outer rotor , which can improve the transmission torque and reduce the torque ripple magnetic gear with a pole piece for improving the transmission torque characteristics. Background technique [0002] Magnetic gear is a non-contact gear device that uses magnetic force to transmit power in a non-contact manner. Compared with gears that transmit power through physical contact, it is safer due to less noise and vibration, no need for lubricating oil or maintenance inspection, and no mechanical friction. Due to its high performance and durability, research on magnetic gears has been active recently. [0003] Also, magnetic gears can reduce energy loss, enable high-efficiency dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K49/10
CPCH02K49/102
Inventor 金容载金旻奭
Owner IND ACADEMIC CORP FOUND YONSEI UNIV
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